CVE-2026-56361
ImageMagick - Heap Buffer Overflow via Off-by-One in Morphology Processing
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jun 30, 2026
- Updated
- Oct 29, 2026
- Reserved
- Jun 20, 2026
Description
ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
ImageMagickImageMagick |
|
ImageMagickImageMagick |
|
References
- GitHub Security Advisory (GHSA-q8h3-jv9v-57qx)vendor-advisory
- VulnCheck Advisory: ImageMagick - Heap Buffer Overflow via Off-by-One in Morphology Processingthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.